54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
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#include <windows.h>
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#include <windowsx.h>
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#include <tchar.h>
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#include <stdio.h>
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#include <string.h>
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void DiskFreeSpace(char *DirectoryName)
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{
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ULARGE_INTEGER freeBytesAvailableToCaller;
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ULARGE_INTEGER totalNumberOfBytes;
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ULARGE_INTEGER totalNumberOfFreeBytes;
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HINSTANCE FHandle;
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FARPROC PAddress;
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FHandle = LoadLibrary("Kernel32");
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PAddress = GetProcAddress(FHandle,"GetDiskFreeSpaceEx");
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if (GetDiskFreeSpaceEx(DirectoryName, &freeBytesAvailableToCaller, &totalNumberOfBytes, &totalNumberOfFreeBytes))
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{
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/*printf("Total number of free bytes (low): %f\n", totalNumberOfFreeBytes.LowPart/1048576.0);
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printf("Total number of free bytes (high): %lu\n", totalNumberOfFreeBytes.HighPart*4096);*/
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printf("%f", totalNumberOfFreeBytes.LowPart/1048576.0 + totalNumberOfFreeBytes.HighPart*4096.0);
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/*printf("Free bytes available to caller(low): %f\n", freeBytesAvailableToCaller.LowPart/1048576.0);
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printf("Free bytes available to caller(high): %lu\n", freeBytesAvailableToCaller.HighPart*4096);*/
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/*printf("Free bytes available to caller: %f MB\n", freeBytesAvailableToCaller.LowPart/1048576.0 + freeBytesAvailableToCaller.HighPart*4096.0);
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/*printf("Total number of bytes (low): %f\n", totalNumberOfBytes.LowPart/1048576.0);
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printf("Total number of bytes (high): %lu\n", totalNumberOfBytes.HighPart*4096);
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printf("Total number of bytes: %f MB\n",totalNumberOfBytes.LowPart/1048576.0 + freeBytesAvailableToCaller.HighPart*4096.0);*/
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}
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else
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{
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printf("Error");
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}
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}
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void __cdecl main(int arc, char *argv[])
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{
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char *Path;
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/* Path is the second argument in the command line when calling the executable "freespace" */
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Path = argv[1];
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DiskFreeSpace(Path);
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}
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